Ex2: Đặt các trạng từ chỉ tần suất vào vị trí đúng ở câu.
1. We have fish for dinner. ( seldom )
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2. Kate doesn't get up before seven. ( usually )
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3. My brother, Tony is late for interview. ( rarely )
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4. I don't do my homework after school. ( hardly )
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5. The school bus arrives at seven. ( every day )
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